The hybrid cloud deployment model is the correct choice because it directly addresses the scenario of combining on-premises infrastructure with public cloud services. This model creates a unified environment where an organization can keep sensitive applications in its own datacenter for compliance reasons, while seamlessly leveraging the public cloud for burst capacity and development/testing workloads. On the Microsoft Azure Fundamentals AZ-900 exam, this question tests your understanding of how deployment models map to real-world business requirements, often appearing as a scenario-based question where you must distinguish hybrid from private or public cloud. A common trap is choosing "private cloud" because it handles compliance, but that misses the need for burst capacity and testing—only hybrid provides both. Remember the memory tip: "Hybrid = Home + Hotel," where your home (on-premises) keeps your valuables safe, and the hotel (public cloud) gives you extra rooms when you need them.
AZ-900 Describe cloud concepts Practice Question
This AZ-900 practice question tests your understanding of describe cloud concepts. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company wants to run some applications in its own on-premises datacenter for compliance reasons, while also using cloud services for burst capacity and development/testing. Which cloud deployment model should they adopt?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Hybrid cloud
The hybrid cloud model is correct because it combines on-premises infrastructure (private cloud) with public cloud services, enabling the company to keep sensitive applications in its own datacenter for compliance while using the public cloud for burst capacity and development/testing. This directly matches the scenario's requirement for a unified environment that spans both local and cloud resources.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Private cloud
Why it's wrong here
Private cloud is for a single organization and can be on-premises, but it doesn't include public cloud resources.
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Public cloud
Why it's wrong here
Public cloud is fully third-party managed; it wouldn't allow running on-premises.
✓
Hybrid cloud
Why this is correct
Correct. Hybrid cloud enables the use of both on-premises and public cloud resources.
Related concept
Read the scenario before looking for a memorised answer.
✗
Community cloud
Why it's wrong here
Community cloud is shared by several organizations with common concerns, not a mix of on-prem and public.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'hybrid cloud' with 'private cloud' because both involve on-premises infrastructure, but hybrid cloud explicitly requires integration with a public cloud for scenarios like burst capacity and dev/test.
Detailed technical explanation
How to think about this question
Hybrid cloud relies on technologies like VPNs, ExpressRoute (Azure), or Direct Connect (AWS) to establish secure, low-latency connectivity between on-premises networks and public cloud VNets. This enables workload portability and unified management through tools like Azure Arc or AWS Outposts, allowing burst capacity to be seamlessly provisioned from the public cloud while maintaining compliance-sensitive data on-premises. A real-world scenario is a financial institution that keeps customer data on-premises for PCI DSS compliance but uses Azure for compute-intensive risk analysis during peak trading hours.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-900 question in full detail.
Describe cloud concepts — This question tests Describe cloud concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Hybrid cloud — The hybrid cloud model is correct because it combines on-premises infrastructure (private cloud) with public cloud services, enabling the company to keep sensitive applications in its own datacenter for compliance while using the public cloud for burst capacity and development/testing. This directly matches the scenario's requirement for a unified environment that spans both local and cloud resources.
What should I do if I get this AZ-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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